NodeScopeResolver - return some code

Author: ondrejmirtes

src/Analyser/NodeScopeResolver.php

@@ -90,11 +90,14 @@
 use PHPStan\Reflection\Native\NativeMethodReflection;
 use PHPStan\Reflection\ParametersAcceptor;
 use PHPStan\Reflection\ParametersAcceptorSelector;
+use PHPStan\Reflection\PassedByReference;
+use PHPStan\Reflection\Php\DummyParameter;
 use PHPStan\Reflection\Php\PhpMethodReflection;
 use PHPStan\Reflection\ReflectionProvider;
 use PHPStan\TrinaryLogic;
 use PHPStan\Type\Accessory\NonEmptyArrayType;
 use PHPStan\Type\ArrayType;
+use PHPStan\Type\CallableType;
 use PHPStan\Type\ClosureType;
 use PHPStan\Type\Constant\ConstantArrayType;
 use PHPStan\Type\Constant\ConstantArrayTypeBuilder;
@@ -3153,6 +3156,47 @@ private function processArgs(
 						$scope = $scope->assignVariable($argValue->name, new MixedType());
 					}
 				}
+
+				if ($calleeReflection instanceof FunctionReflection) {
+					if (
+						$i === 0
+						&& $calleeReflection->getName() === 'array_map'
+						&& isset($args[1])
+					) {
+						$parameterType = new CallableType([
+							new DummyParameter('item', $scope->getType($args[1]->value)->getIterableValueType(), false, PassedByReference::createNo(), false, null),
+						], new MixedType(), false);
+					}
+
+					if (
+						$i === 1
+						&& $calleeReflection->getName() === 'array_filter'
+						&& isset($args[0])
+					) {
+						if (isset($args[2])) {
+							$mode = $scope->getType($args[2]->value);
+							if ($mode instanceof ConstantIntegerType) {
+								if ($mode->getValue() === ARRAY_FILTER_USE_KEY) {
+									$arrayFilterParameters = [
+										new DummyParameter('key', $scope->getType($args[0]->value)->getIterableKeyType(), false, PassedByReference::createNo(), false, null),
+									];
+								} elseif ($mode->getValue() === ARRAY_FILTER_USE_BOTH) {
+									$arrayFilterParameters = [
+										new DummyParameter('item', $scope->getType($args[0]->value)->getIterableValueType(), false, PassedByReference::createNo(), false, null),
+										new DummyParameter('key', $scope->getType($args[0]->value)->getIterableKeyType(), false, PassedByReference::createNo(), false, null),
+									];
+								}
+							}
+						}
+						$parameterType = new CallableType(
+							$arrayFilterParameters ?? [
+								new DummyParameter('item', $scope->getType($args[0]->value)->getIterableValueType(), false, PassedByReference::createNo(), false, null),
+							],
+							new MixedType(),
+							false
+						);
+					}
+				}
 			}
 
 			$originalScope = $scope;